Analysis of trace polycyclic aromatic hydrocarbons and organochlorine compounds in atmospheric residues by solid-phase disk extraction

被引：50
作者：
Carrera, G [1 ]
Fernandez, P [1 ]
Vilanova, R [1 ]
Grimalt, JO [1 ]
机构：
[1] CSIC, CID, Dept Environm Chem, ES-08034 Barcelona, Spain
来源：
JOURNAL OF CHROMATOGRAPHY A | 1998年 / 823卷 / 1-2期
关键词：
solid-phase extraction; organochlorine compounds; polynuclear aromatic hydrocarbons; polychlorinated biphenyls; hexachlorobenzene; DDE; hexachlorocyclohexanes; pesticides;
D O I：
10.1016/S0021-9673(98)00519-6
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A method based on the use of solid-phase extraction disks for the analysis of polycyclic aromatic hydrocarbons and organochlorine compounds (pg l(-1)) in deposition samples collected in remote sites is described. Diverse aspects determining extraction efficiencies such as packing composition (C-8 and C-18), extraction number and elution solvents have been evaluated. The lowest relative standard deviations (3-20%) and best extraction efficiencies (80-100%) have been obtained using a solvent program of methanol, cyclohexane and dichloromethane (5 ml each) and octadecylsilane disks. Detection and quantitation limits were in the order of 0.14-3.5 pg l(-1). These Limits were achieved by gas chromatography coupled to mass spectrometry and detection in the selected ion monitoring mode. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：189 / 196
页数：8
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